Finding the Fourth Proportional to 187,543.84, 281,307.12 and 69,207.52
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Solution
The fourth proportional to 187,543.84, 281,307.12 and 69,207.52 is: 103,808.09
Step by Step Solution
- Step 1: Write the proportion equation
187,543.84 : 281,307.12 = 69,207.52 : x - Step 2: Convert to fraction form
187,543.84/281,307.12 = 69,207.52/x - Step 3: Cross multiply
187,543.84x = 281,307.12 × 69,207.52 - Step 4: Simplify right side
187,543.84x = 19,468,568,133.54 - Step 5: Solve for x
x = 19,468,568,133.54/187,543.84 - Step 6: Final answer
x = 103,808.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.